add comments and calculate radius and diameter automatically
add comments and calculate radius and diameter automatically

Messaoud-Boudjada/dipy,beni55/dipy,rfdougherty/dipy,oesteban/dipy,Messaoud-Boudjada/dipy,sinkpoint/dipy,jyeatman/dipy,matthieudumont/dipy,FrancoisRheaultUS/dipy,StongeEtienne/dipy,matthieudumont/dipy,beni55/dipy,sinkpoint/dipy,samuelstjean/dipy,rfdougherty/dipy,villalonreina/dipy,mdesco/dipy,nilgoyyou/dipy,samuelstjean/dipy,nilgoyyou/dipy,JohnGriffiths/dipy,StongeEtienne/dipy,JohnGriffiths/dipy,villalonreina/dipy,mdesco/dipy,oesteban/dipy,FrancoisRheaultUS/dipy,samuelstjean/dipy,jyeatman/dipy,demianw/dipy,demianw/dipy